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Finding the Fourth Proportional to 556,218.30, 834,327.45 and 556,218.30

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Solution

The fourth proportional to 556,218.30, 834,327.45 and 556,218.30 is: 834,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,218.30 : 834,327.45 = 556,218.30 : x
  2. Step 2: Convert to fraction form
    556,218.30/834,327.45 = 556,218.30/x
  3. Step 3: Cross multiply
    556,218.30x = 834,327.45 × 556,218.30
  4. Step 4: Simplify right side
    556,218.30x = 464,068,195,882.34
  5. Step 5: Solve for x
    x = 464,068,195,882.34/556,218.30
  6. Step 6: Final answer
    x = 834,327.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.